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<p>Hello,<br />
<p>Got your travel plans dialed in for summer? We do! Not only will the the UG team be headed to TechEd in Orlando, we'll also be attending TechEd Europe in Amsterdam this month. If you're attending either event, make sure you let us know. And have you downloaded the Windows 8 Release Preview? This week we'd like to offer you a preview of Charles Petzold's new book "<a href="http://post.oreilly.com/rd/9z1zisjimf9ruch1blgdri47hrhibf01psa4vbm7ch0">Programming Windows, 6th Edition</a>" in ebook form (the print version will be out in November this year.) Tell us your oreilly.com account and we'll give you a copy.</p>
<p>—Marsee Henon & Jon Johns</p>
<p></p>

<p>It's easy for you to request books for your meetings or special events–just email <a href="mailto:usergroups@oreilly.com">&#x75;&#x73;&#x65;r&#x67;&#x72;&#x6f;&#x75;ps@&#x6f;&#x72;e&#x69;&#x6c;&#x6c;y.c&#x6f;m</a> and include the words "book request" in the subject line. Don't forget to include your due date and shipping address. Prefer ebooks? We can send you a free ebook certificate to print out for raffles or book reviewers.</p><br />

<h3>Celebrate World IPv6 Day (June 6)</h3>
<img vspace="10" width="112" align="left" hspace="10" src="http://cdn.oreilly.com/oreilly/ug/newsletter/IPv6-badge.jpg" height="127">
<p>Are you prepared for IPv6? Major ISPs, hardware vendors, and companies around the world are gearing up to enable IPv6 in their products and services by Wednesday, June 6. If you're interested in learning all you can about the new backbone of the Internet, we'll be celebrating all day on oreilly.com with deals.<br />
<br />
Read more about <a href="http://post.oreilly.com/rd/9z1zd3if9n6blqbdv66ogfar896mod1qmrgf5koign0">World IPv6 Day </a></p>
<br />
<hr />

<h3>Using Python for Computer Vision Podcast</h3>
<img vspace="10" width="148" align="right" hspace="10" src="http://cdn.oreilly.com/oreilly/ug/newsletter/code_logo.jpg" height="64">
<p>Computer vision is increasingly being used in everyday technology. Barcode scanning, augmented reality, and facial recognition are a few examples you may be familiar with. O'Reilly's Andy Oram interviews Jan Erik Solem, author of the upcoming book "<a href="http://post.oreilly.com/rd/9z1zu6difdhs703gdg38017jiebs0g6ertnglrf5l88">Programming Computer Vision with Python</a>," in this recent <a href="http://post.oreilly.com/rd/9z1zlvrqc9bti547n02fnl02a759slaiu0cae13g3pg">O'Reilly <code> podcast</a>. </p>
<p>Highlights from the full video interview include:
<ul>
<li>The value of Python in computer vision [Discussed at the 0:24 mark]</li>
<li>Searching for images within images [Discussed at the 2:13 mark]</li>
<li>Clustering or grouping images [Discussed at the 3:22 mark]</li>
<li>Constructing a 3D scene from images [Discussed at the 6:11 mark]</li>
<li>Modeling and calibrating a camera [Discussed at the 7:22 mark]</li>
</ul>
</p>

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<h3>Ignite OSCON CFP is now open</h3>
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<p>If you have a hack to teach, website to launch, war story to tell, or other great idea for an Ignite presentation, <a href="http://post.oreilly.com/rd/9z1zm4j3rp5nc74pdh5f6daphtqnk7db5ji6lu87spo">tell us about it</a>. Ignite OSCON will take place on Monday evening, July 16. If your Ignite OSCON talk is accepted, you'll receive a complimentary day pass to OSCON for Tuesday, July 17, plus a 50% discount if you'd like to upgrade your pass. If you haven't seen an Ignite talk watch some videos at http://igniteshow.com</p>

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<p>Receive a 10-day free trial and 20% off monthly fees to a <a href="http://post.oreilly.com/rd/9z1z4821iubc5668raqolfkk60lqbf04omei42td5m8">Safari Books
Online</a> Library subscription for up to a year. That means unlimited access
to more than 21,000 books and videos about technology, digital media,
personal development and business from O'Reilly Media, Maker Press, and more than 100 of
the world's leading publishers. More <a href="http://post.oreilly.com/rd/9z1znegrkgc7drcg69v4a9hh2371jjsg6ujpgbm602g">here</a>. </p>